@book { ZurGeschichtedesPdagogischenVereinszuChemnitz18311934,
    title = "Zur Geschichte des Pädagogischen Vereins zu Chemnitz (1831-1934)",
    author = "Krimhild {Frey}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1108412"
}